Package com.chutneytesting.task.spi.validation

Class Validator<T>

java.lang.Object

com.chutneytesting.task.spi.validation.Validator<T>

public final class Validator<T>
extends Object

Fluent validator

Method Summary

Modifier and Type	Method	Description
void	addError(String message)
List<String>	getErrors()
static List<String>	getErrorsFrom(Validator<?>... validators)
boolean	isValid()
static <T> Validator<T>	of(T toValidate)	Builder
<U> Validator<T>	validate(Function<? super T,? extends U> projection, Predicate<? super U> validation, String message)	Example : .validate(Person::getAge, a -> a >= 18, "should be eighteen or over");
Validator<T>	validate(Predicate<? super T> validation, String message)	Example : .validate(Objects::nonNull, "should not be null")

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

of

public static <T> Validator<T> of(T toValidate)

Builder

validate

public <U> Validator<T> validate(Function<? super T,? extends U> projection,
                                 Predicate<? super U> validation,
                                 String message)

Example : .validate(Person::getAge, a -> a >= 18, "should be eighteen or over");

validate

public Validator<T> validate(Predicate<? super T> validation,
                             String message)

Example : .validate(Objects::nonNull, "should not be null")

addError

public void addError(String message)

getErrorsFrom

public static List<String> getErrorsFrom(Validator<?>... validators)

isValid

public boolean isValid()

getErrors

public List<String> getErrors()